Thanks for doing this! Jumping in, but still need to do lots of reading. I can see the surface I think, but the water is still just a little over my head. Can't wait to get going on this. REALLY like Bob's 8" arm version.

This project looks harder than it really is. Your soldering skills are the most important part!!! Invest in a magnifine headset or a soldering station with a magnifine glass built in found at radio shack. Also, your soldering gun is very important. You want a hot iron made for small electronics. Here's what I'm using. http://www.homedepot.com/h_d1/N-5yc1...atalogId=10053 40 watt heats up to 900F.